<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Vue3 Responsive</title>
</head>
<body>
  <div id="root">
    <h1>Root</h1>
    <input type="text" v-model="left"> + <input type="text" v-model="right">
    <button type="button" @click="add">计算</button>
    <br>
    <br>
    <br>
    <div>
      {{ result }}
    </div>
  </div>
  <script type="module" src="./src/index.js"></script>
</body>
</html>